CN202453176U - Pulley rotation flexibility detecting device - Google Patents
Pulley rotation flexibility detecting device Download PDFInfo
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- CN202453176U CN202453176U CN 201120474198 CN201120474198U CN202453176U CN 202453176 U CN202453176 U CN 202453176U CN 201120474198 CN201120474198 CN 201120474198 CN 201120474198 U CN201120474198 U CN 201120474198U CN 202453176 U CN202453176 U CN 202453176U
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- pulley
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- power wheel
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Abstract
An embodiment of the utility model discloses a pulley rotation flexibility detecting device which includes a pedestal, a driving wheel, a rope belt, a pulling force detector, and a power mechanism. The driving wheel is movably connected with the pedestal via a first rotating shaft. The rope belt is sleeved on a detected pulley and the driving wheel. The pulling force detector is fixedly connected with the rope belt. The pulling force detection is configured to detect the pulling force of the rope belt which moves to the detected pulley and the pulling force of the rope belt which moves far away from the detected pulley. The power mechanism is connected with the driving wheel or the detected pulley, and the power mechanism is configured to drive the driving wheel or the detected pulley which is connected with the power mechanism to rotate, and drives the detected pulley or the driving wheel which is not connected with the power mechanism via the rotating driving wheel or the detected pulley and the rope belt. The pulley rotation flexibility detecting device solves the problems existing in the prior art, i.e. the low accuracy of the pulley flexibility detection and the difficult quantitative distinction of the pulleys which are different in flexibility.
Description
Technical field
The utility model relates to field of mechanical technique, is specifically related to a kind of pulley rotating dirigibility pick-up unit.
Background technology
Pulley is to be used on the crawler crane lift by crane and the critical component of bearing article, and the rotation dirigibility of pulley directly affects the weight of the article that crawler crane can lift by crane.
Pulley uses with the form of pulley blocks as shown in Figure 1 usually; When the rotation dirigibility of pulley (or claiming rotation) was meant rope band (being generally wire rope) the lifting article that are wound on the pulley, pulley overcame the ability of the deadlock property resistance and the pulley blocks resistance of the rope band that is wound on the pulley.The rotation dirigibility missionary society of pulley causes between pulley and the rope band wearing and tearing big, and then to cause pulley and rope band life-span lifting capacity low, suspension hook be problems such as the weight of the suspension hook article that can lift by crane is low.
Along with the variation of pulley operating mode and the variation of pulley inner bearing model, the assembling situation of bearing and processing and manufacturing situation difference can cause the rotation dirigibility of each pulley different.During the assembling pulley; For the pulley rotating dirigibility that prevents to assemble not up to standard; At present; Generally adopt rotary pulley manually, come the method for the complexity of perception pulley rotating to judge the rotation dirigibility of pulley through feel, manual work judges that through feel there is following problem at least in the method for the rotation dirigibility of pulley in the prior art:
When manual work detects the rotation dirigibility of pulley through feel; Because people's feel individual difference is bigger; For rotating some more approaching pulleys of dirigibility; The result that the people detection that the detection experience is different is come out is often different, even same people also possibly there are differences in the result who does not detect simultaneously, and it is lower to cause the dirigibility of pulley to detect accuracy rate; Simultaneously; The artificial rotation dirigibility that detects pulley through feel; It is good only to draw which pulley dirigibility qualitatively, and which very flexible can't be carried out quantitative differentiation with the dirigibility of pulley; When running into rotation dirigibility to pulley and requiring to have the use occasion of a plurality of class, the selection difficulty of pulley is bigger.
The utility model content
The purpose of the utility model is to propose a kind of pulley rotating dirigibility pick-up unit, and having solved prior art, to exist the dirigibility of pulley to detect accuracy rate low, and the different pulley of the dirigibility technical matters that is difficult to quantitatively distinguish.
For realizing above-mentioned purpose, the utility model provides following technical scheme:
This pulley rotating dirigibility pick-up unit comprises base, power wheel, rope band, pulling force detecting device and actuating unit, wherein:
Said power wheel flexibly connects through first rotating shaft and said base, and it can rotate with respect to said base around said first rotating shaft;
Said rope band is sheathed on tested pulley and the said power wheel;
Said pulling force detecting device is fixedly connected with said rope band, and said pulling force detecting device is configured to detect on the said rope band that moves near the direction of said tested pulley and the value of thrust that bears respectively on the said rope band that moves on the direction of court away from said tested pulley;
One of them links to each other said actuating unit and said power wheel or said tested pulley; It is configured to drive coupled said power wheel or said tested pulley rotating, and said power wheel or said tested pulley and not coupled said tested pulley or the rotation of said power wheel of said rope band drive through rotating.
Preferably, said tested pulley flexibly connects through second rotating shaft and said base, and it can rotate with respect to said base around said second rotating shaft.
Preferably, said pulley rotating dirigibility pick-up unit also comprises the rope band strainer, wherein:
Said rope band strainer comprises hydraulic jack, support and is opened in the sliding tray on the base; Said hydraulic jack is fixedly arranged on the said base; And the piston rod of said hydraulic jack connects along its axial direction and said support, and said second rotating shaft and said support flexibly connect and can rotate with respect to said support around its axial line, said support can with the piston rod of said hydraulic jack towards away from or the direction of approaching said power wheel in said sliding tray, slide; Perhaps
Said rope band strainer comprises and connecting with said rope band and stretching pulley that the position can be moved along the perpendicular direction of said rope band that said stretching pulley flexibly connects through the 3rd rotating shaft and said base and it can rotate with respect to said base around said the 3rd rotating shaft.
Preferably, said power wheel and said tested pulley all are positioned within the said rope band, and the inboard of said rope band contacts with the outside surface of said power wheel and the outside surface of said tested pulley respectively.
Preferably, the pivot center of said power wheel and said tested pulley all parallels with surface level, and said pulling force detecting device comprises the first sensor and second sensor, wherein:
Said first sensor and said second sensor are arranged at the diverse location place on the said rope band respectively;
Said first sensor and said second sensor one of them when moving on the said rope band between said power wheel top and the said tested pulley top with said rope band, wherein another moves on the said rope band of said power wheel bottom between bottom said tested pulley with said rope band for said first sensor and said second sensor;
Said first sensor and said second sensor are configured to detect the value of thrust that value of thrust that the said rope band between said power wheel top and the said tested pulley top bears and the said power wheel bottom said rope band between bottom said tested pulley bears respectively.
Preferably, said rope band is a wire rope, and said first sensor and said second sensor are the lineoutofservice signal pull sensor.
Preferably, said pulley rotating dirigibility pick-up unit also comprises the data handling component that is electrically connected with said pulling force detecting device, wherein:
Said data handling component is configured to receive the value of thrust of said pulling force detector measures, and calculate towards near the difference between the value of thrust that bears respectively on the said rope band that moves on the said rope band of the direction of said tested pulley motion and on the direction away from said tested pulley with towards near one of them ratio of the value of thrust that bears on the said rope band that moves on the said rope band of the direction motion of said tested pulley or on the direction away from said tested pulley.
Preferably; Said actuating unit comprises motor and gear train; The main shaft of said motor is that the rotation of said power wheel provides power through said gear train, and said gear train is one or more the combination wherein of gear drive, rope band gear train or chain-drive mechanism;
Perhaps, said actuating unit is that the axial line of the rotating shaft of main shaft and said power wheel coincides, and the motor that is fixedly connected with said first rotating shaft of main shaft.
Preferably, said gear train comprises driving gear and the follower gear that is meshed with said driving gear;
The main shaft of said motor is fixedly connected with said driving gear and coincides with the axial line of said driving gear;
Said first rotating shaft is fixedly connected with said follower gear and coincides with the axial line of follower gear.
Preferably, said first rotating shaft is fixedly connected with said power wheel, and perhaps, said first rotating shaft and said power wheel are integral structure.
Arbitrary technical scheme in above-mentioned many technical schemes all can produce following technique effect:
Because among the utility model embodiment; Can in its axial line rotating process, detect respectively on the rope band that moves near the direction of tested pulley and the value of thrust that bears respectively on the rope band that moves on the direction of court away from tested pulley at the tested pulley that is socketed with rope band (for example wire rope); And towards being to be wound in rope band on the pulley in theory to the summation of the value of the resistance of deadlock property resistance that pulley applied and pulley blocks near the difference between the value of thrust that bears respectively on the rope band that moves on the rope band of the direction of tested pulley motion and on the direction away from tested pulley; So the rotation dirigibility of the more little then pulley of this difference is then good more, so mode that just can be through contrasting above-mentioned difference size or contrast above-mentioned difference with towards the quality of learning the rotation dirigibility of pulley near one of them the mode of size of ratio of the value of thrust that bears respectively on the rope band that moves on the rope band of the direction motion of tested pulley or on the direction away from tested pulley;
Because value of thrust is to detect through the pulling force detecting device to obtain in the utility model; Simultaneously above-mentioned difference or ratio also can obtain through instrument such as counter and even manual calculation; Compare through the method for the rotation dirigibility of feel judgement pulley with manual work in the prior art; The numerical value that the technical scheme that the utility model provided obtains is more accurate, so the detection accuracy rate of the rotation dirigibility of pulley is higher, simultaneously; Because the technical scheme that the utility model embodiment is provided can obtain more accurate values; So can carry out quantitative differentiation by the pulley that different numerical ranges are corresponding, when running into rotation dirigibility to pulley and requiring to have the use occasion of a plurality of class, the selection difficulty of pulley is easier; To exist the dirigibility of pulley to detect accuracy rate low so solved prior art, and the dirigibility different pulley technical matters that is difficult to quantitatively distinguish.
Description of drawings
Accompanying drawing described herein is used to provide the further understanding to the utility model, constitutes the application's a part, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
The synoptic diagram of the pulley blocks at pulley that Fig. 1 is provided for the utility model embodiment place annexation in actual use and between the rope band;
Fig. 2 is the schematic perspective view of the annexation between each parts of pulley rotating dirigibility pick-up unit that preferred implementation provided of the utility model embodiment;
Fig. 3 is the floor map of the annexation between each parts of pulley rotating dirigibility pick-up unit that preferred implementation provided of the utility model embodiment;
Fig. 4 is the another floor map of the annexation between each parts of pulley rotating dirigibility pick-up unit that preferred implementation provided of the utility model embodiment;
Fig. 5 is the another schematic perspective view of the annexation between each parts of pulley rotating dirigibility pick-up unit that preferred implementation provided of the utility model embodiment;
Fig. 6 is a floor map of the annexation between each parts of pulley rotating dirigibility pick-up unit that another kind of embodiment provided of the utility model embodiment;
The schematic flow sheet of the applied pulley rotating dirigibility of the pulley rotating dirigibility pick-up unit detection method that Fig. 7 is provided for the utility model embodiment.
Embodiment
Through accompanying drawing and embodiment, the technical scheme of the utility model is done further detailed description below.
The utility model embodiment provides a kind of detection accuracy rate better, and can be with rotating the pulley rotating dirigibility pick-up unit that the different pulley of dirigibility is quantitatively distinguished.
Like Fig. 2, Fig. 3 and shown in Figure 4, the pulley rotating dirigibility pick-up unit that the utility model embodiment provides comprises base 1, power wheel 2, rope band 3, pulling force detecting device 4 and actuating unit 5, wherein:
Pulling force detecting device 4 is fixedly connected with rope band 3, and pulling force detecting device 4 is configured to detect on the rope band 3 that moves near the direction of tested pulley 6 and the value of thrust that bears respectively on the rope band 3 that moves on the direction of court away from tested pulley 6;
One of them links to each other actuating unit 5 and power wheel 2 or tested pulley 6; It is configured to drive coupled power wheel 2 or tested pulley 6 rotates, and power wheel 2 or tested pulley 6 and not coupled tested pulley 6 or power wheel 2 rotations of rope band 3 drives through rotating.
Because among the utility model embodiment; Can the tested pulley 6 that is socketed with rope band 3 as shown in Figure 2 (for example wire rope) in its axial line rotating process, detect respectively towards near the rope band 3 of the direction of tested pulley 6 motion and the rope band 3 that moves on the direction away from tested pulley 6 on the value of thrust that bears respectively, and towards being that the summation of value that is wound in the resistance of 3 pairs of deadlock property resistances that pulley applied of rope band and pulley blocks on the pulley in theory is S among Fig. 1 near the difference between the value of thrust that bears respectively on the rope band 3 that moves on the rope band 3 of the direction motion of tested pulley 6 and on the direction away from tested pulley 6
n-S
N-1Value; So the rotation dirigibility of the more little then pulley of this difference is then good more, so the mode of size that just can be through contrasting above-mentioned difference or contrast above-mentioned difference with towards the quality of learning the rotation dirigibility of pulley near one of them the mode of size of ratio of the value of thrust that bears respectively on the rope band 3 that moves on the rope band 3 of the direction motion of tested pulley 6 or on the direction away from tested pulley 6;
Because value of thrust is to detect through pulling force detecting device 4 to obtain in the utility model; Simultaneously above-mentioned difference or ratio also can obtain through instrument such as counter and even manual calculation; Compare through the method for the rotation dirigibility of feel judgement pulley with manual work in the prior art; The numerical value that the technical scheme that the utility model provided obtains is more accurate, so the detection accuracy rate of the rotation dirigibility of pulley is higher, simultaneously; Because the technical scheme that the utility model embodiment is provided can obtain more accurate values; So can carry out quantitative differentiation by the pulley that different numerical ranges are corresponding, when running into rotation dirigibility to pulley and requiring to have the use occasion of a plurality of class, the selection difficulty of pulley is easier; To exist the dirigibility of pulley to detect accuracy rate low so solved prior art, and the dirigibility different pulley technical matters that is difficult to quantitatively distinguish.
Like Fig. 2 and shown in Figure 5, tested pulley 6 flexibly connects through second rotating shaft 61 and base 1 in the present embodiment, and it can rotate with respect to base 1 around second rotating shaft 61.
When measuring the rotation dirigibility of tested pulley 6, can detect before tested pulley 6 being installed on use occasion (for example on the pulley yoke in the pulley blocks of suspension hook), meet the requirements of pulley and install thereby select to rotate dirigibility.Flexible connection between second rotating shaft 61 and the base 1 is preferably and removably connects, and like this, has detected tested pulley 6 and can pulley have been disassembled from base 1 afterwards, changes other tested pulleys 6 and proceeds to detect.
Certainly; When if tested pulley 6 has been installed on use occasion; Tested pulley 6 is disassembled when bothering very much from use occasion; Be sheathed on the power wheel 2 as long as also can not dismantle the rope band 3 that tested pulley 6 will be enclosed within on the tested pulley 6, perhaps the rope band 3 on the tested pulley 6 loosened or removes, also be sheathed on the tested pulley 6 and can realize detection tested pulley 6 with being placed on the power wheel 2 rope band 3.
Like Fig. 2 and shown in Figure 4, the present embodiment middle pulley rotates the dirigibility pick-up unit and also comprises rope band strainer 7, wherein:
Rope band strainer 7 comprises hydraulic jack as shown in Figure 2 71, support 72 and is opened in the sliding tray 73 on the base 1; Hydraulic jack is fixedly arranged on the base 1 and the piston rod of hydraulic jack 71 connects along its axial direction and support 72; Second rotating shaft 61 flexibly connects with support 72 and can rotate with respect to support 72 around its axial line, support 72 can with piston rod towards away from or slide in sliding tray 73 near the direction of power wheel 2.
Hydraulic jack 71 is provided with first hydraulic fluid port and second hydraulic fluid port (hydraulic fluid port is that conventional structure is not shown); When the first hydraulic fluid port oil-feed, when second hydraulic fluid port is fuel-displaced; Can promote piston rod moves forward along the axial direction of piston rod; Otherwise; First hydraulic fluid port is fuel-displaced, during the second hydraulic fluid port oil-feed, can promote piston rod and retreat along the axial direction of piston rod backward, because the piston rod of hydraulic jack 71 connects along its axial direction and support 72 in the present embodiment; So can be, and then the spacing between control power wheel 2 and the tested pulley 6 and the tensioning degree of rope band 3 through control respectively to the moving direction and the displacement of first hydraulic fluid port and the second hydraulic fluid port oil-feed, fuel-displaced method control piston bar.Hydraulic jack 71 is fixed on the base 1 through oil cylinder fixed mount 74 in the present embodiment.
The effect of rope band strainer 7 is: on the one hand; When rope band strainer 7 will be sheathed on rope band 3 tensionings on tested pulley 6 and the power wheel 2; Friction force between rope band 3 and tested pulley 6 and the power wheel 2 is bigger; At this moment, power wheel 2 that links to each other with actuating unit 5 or tested pulley 6 can drive the tested pulley 6 or the power wheel 2 that do not link to each other with actuating unit 5 more fast and effectively through rope band 3 and rotate; On the other hand; When using pulley lifting article; The load that the article of Different Weight apply pulley is different; The mode of the size of the tensile force that can apply through control rope band strainer 7 pairs of rope bands 3 in the present embodiment, the different load that the article of simulation Different Weight apply tested pulley 6, thus can detect the rotation dirigibility of tested pulley 6 when bearing different loads.
The two parts that are positioned at the both sides of tested pulley 6 position opposite in the present embodiment in second rotating shaft 61 connect with two different piston rods respectively, and two different piston rods are symmetricly set in the both sides of tested pulley 6.Two different piston rods can also can be two piston rods on the same hydraulic jack 71 for two different hydraulic jacks 71 piston rod separately.
Certainly, above-mentioned rope band strainer 7 also can be controlled spacing and the tensioning degree of rope band 3 between power wheel 2 and the tested pulley 6 through the mode that changes power wheel 2 and first rotating shaft, 21 positions.
Another kind of embodiment as the rope band strainer 7 as shown in Figure 4 that present embodiment provided; Rope band strainer 7 also can connect with rope band 3 and stretching pulley that the position can be moved along rope band 3 perpendicular directions for comprising in the present embodiment, and stretching pulley flexibly connects through the 3rd rotating shaft and base 1 and it can rotate with respect to base 1 around the 3rd rotating shaft.
Distance through regulating between the 3rd rotating shaft and the base 1 along rope band 3 perpendicular directions can be adjusted the power that compresses that stretching pulley applies rope band 3, and then the tensioning degree of control rope band 3.
The embodiment of rope band strainer 7 as shown in Figure 4 can also perhaps also can be other embodiments outside the above embodiment for the combination of above disclosed embodiment in the present embodiment, and for example rope band strainer 7 also can be realized the tensioning to rope band 3 through the mode that changes rope band 3 length.
Certainly; Present embodiment pulley rotating dirigibility pick-up unit also can not be provided with rope band strainer 7 as shown in Figure 4; At this moment; Can prepare the many rope bands 3 that overall circumference is different, select the rope band 3 of different length as required, and then can regulate the size of the load that 3 pairs of tested pulleys 6 of rope band apply through the mode of changing the different rope band 3 of length.
Like Fig. 3, Fig. 4 and shown in Figure 5, power wheel 2 and tested pulley 6 all are positioned within the rope band 3 in the present embodiment, and the inboard of rope band 3 contacts with the outside surface of power wheel 2 and the outside surface of tested pulley 6 respectively.
This structure is the preferred implementation of the utility model embodiment; The operation that in this structure rope band 3 is sheathed on power wheel 2 and the tested pulley 6 is more convenient, and towards both can not interact near the rope band 3 of the direction of tested pulley 6 motion and the rope band that on the direction away from tested pulley 6, moves 3.
Certainly, rope band 3 also can intersection as shown in Figure 6 be wound on power wheel 2 and the tested pulley 6 in the present embodiment, and at this moment, the inboard of part rope band 3 contacts with power wheel 2, and the outside of part rope band 3 contacts with power wheel 2.
As shown in Figure 3, the pivot center of power wheel 2 and tested pulley 6 all parallels with surface level in the present embodiment, and pulling force detecting device 4 comprises the first sensor 41 and second sensor 42, wherein:
The first sensor 41 and second sensor 42 are arranged at the diverse location place on the rope band 3 respectively;
One of them moves to the 3 last times of rope band between power wheel 2 tops and tested pulley 6 tops with rope band 3 first sensor 41 and second sensor 42, and wherein another moves on the rope band 3 between power wheel 2 bottoms and tested pulley 6 bottoms with rope band 3 for the first sensor 41 and second sensor 42;
The first sensor 41 and second sensor 42 are configured to detect the value of thrust that value of thrust that the rope band 3 between power wheel 2 tops and tested pulley 6 tops bears and the rope band 3 between power wheel 2 bottoms and tested pulley 6 bottoms bear respectively.
When one of them court of rope band 3 difference between rope band 3 between power wheel 2 tops and tested pulley 6 tops and power wheel 2 bottoms and tested pulley 6 bottoms moves near the direction of tested pulley 6; Wherein move on another meeting or court direction away from tested pulley 6; So can detect needed value of thrust more accurately; Simultaneously, not only the space is relatively more sufficient around the rope band 3 of the above-mentioned installation site of rope band 3, can be more convenient when the first sensor 41 and second sensor 42 are installed.
The suitable greatly bigger article of hoisting weight that are applied to of wire rope intensity.The lineoutofservice signal pull sensor is a kind of sensor that detects the suffered pulling force of wire rope that is exclusively used in, and has advantage of high precision.Certainly, the first sensor 41 and second sensor 42 also can be other sensors outside the lineoutofservice signal pull sensor, for example resistance strain type sensor in the present embodiment.
As shown in Figure 3, the present embodiment middle pulley rotates the dirigibility pick-up unit and also comprises the data handling component 8 that is electrically connected with pulling force detecting device 4, wherein:
As shown in Figure 3, being electrically connected between data handling component 8 and the pulling force detecting device 4 can be wired electrical connection, also can dedicated radio link, as long as can pulling force detecting device 4 detected data be sent to data handling component 8.Dotted line among Fig. 3 representes that pulling force detecting device 4 is sent to the wireless data signal that carries its detected value of thrust of data handling component 8.
Can draw the ratio that can reflect tested pulley 6 rotation dirigibility quality through aforementioned calculation, ratio is more little representes that then tested pulley 6 rotation dirigibilities are good more.
Being preferably in the present embodiment and calculating above-mentioned difference is S among Fig. 1
n-S
N-1Value and the rope band 3 that moves on the direction away from tested pulley 6 on ratio between the value of thrust that bears be (S among Fig. 1
n-S
N-1)/S
nValue.
Because the value of thrust that bears on the rope band 3 that moves on the direction away from tested pulley 6 can not only comprise the summation of the resistance that resistance that 6 pairs of rope bands 3 of tested pulley apply and 2 pairs of rope bands 3 of power wheel apply; But also comprised the deadlock property resistance of rope band 3, so more can accurately, comprehensively reflect the rotation dirigibility of tested pulley 6 when rope band 3 drives tested pulley 6 and rotates.
As shown in Figure 2; Present embodiment medium power mechanism 5 comprises motor 51 and gear train 52; For the rotation of power wheel 2 provides power, gear train 52 is a kind of, two or more the combination wherein of gear drive, rope band gear train or chain-drive mechanism to the main shaft of motor 51 through gear train 52.
Certainly, actuating unit 5 as shown in Figure 2 also can coincide for the axial line of first rotating shaft 21 of main shaft and power wheel 2 in the present embodiment, and the motor that is fixedly connected with first rotating shaft 21 of power wheel 2 of main shaft.
First rotating shaft 21 is fixedly connected with power wheel 2 in the present embodiment, and perhaps, first rotating shaft 21 is an integral structure with power wheel 2.First rotating shaft 21 be fixedly connected with power wheel 2 or first rotating shaft 21 with power wheel 2 during for integral structure; Can be more easy when actuating unit 5 drives rope band 3 and 6 motions of tested pulley through power wheel 2; Simultaneously; First rotating shaft 21 can be carried out with the installation of power wheel 2 synchronously, and is also more convenient during installation.
Though 2 pairs of rope bands 3 of power wheel can apply friction force in the actual detected process, when no matter detecting which tested pulley 6, the friction force that 2 pairs of rope bands 3 of power wheel apply all is consistent, so still can detect the rotation dirigibility of different tested pulleys 6.
As shown in Figure 2, gear train 52 comprises driving gear 521 and the follower gear 522 that is meshed with driving gear 521 in the present embodiment;
The main shaft of motor 51 is fixedly connected with driving gear 521 and coincides with the axial line of driving gear 521;
First rotating shaft 21 is fixedly connected with follower gear 522 and coincides with the axial line of follower gear 522.
Gear drive has advantages such as compact conformation, efficient is high, the life-span is long.Between follower gear 522 and the driving gear 521 a plurality of transmission gears can also be set in the present embodiment and be used for transferring power.
As shown in Figure 2, the rotation dirigibility of different pulleys when the pulley rotating dirigibility pick-up unit that present embodiment provided can detect pulley and twines different rope bands 3 and when bearing different loads can be divided into following several kinds of situation when specifically detecting:
1, identical at the rope band 3 (for example wire rope) that is wound on the tested pulley 6 as shown in Figure 2; And under the identical condition of tested pulley 6; When detection applied different load through 3 pairs of tested pulleys 6 of rope band, the load that applies was rotated the influence of dirigibility to tested pulley 6;
2, identical at the rope band 3 (for example wire rope) that is wound on the tested pulley 6 as shown in Figure 2, under the identical condition of the load that 3 pairs of tested pulleys 6 of rope band apply, the rotation dirigibility of measuring different tested pulleys 6;
3, identical at tested pulley as shown in Figure 26, under the identical condition of the load that 3 pairs of tested pulleys 6 of rope band apply, measure the influence of different 3 pairs of pulley rotating dirigibilities of rope band.
Like Fig. 2, Fig. 3 and shown in Figure 7, the pulley rotating dirigibility that the utility model embodiment provides detects applied pulley rotating dirigibility detection method, may further comprise the steps:
S1, on tested pulley 6 socket rope band 3, and drive tested pulley 6 through rope band 3 and rotate around tested pulley 6 axial lines;
S2, tested pulley 6 in its axial line rotating process, detect respectively towards near the rope band 3 of the direction of tested pulley 6 motion and the rope band 3 that moves on the direction away from tested pulley 6 on the value of thrust that bears respectively;
S3, calculate towards being S among Fig. 1 near the difference between the value of thrust that bears respectively on the rope band 3 that moves on the rope band 3 of the direction of tested pulley 6 motion and on the direction away from tested pulley 6
n-S
N-1Value with towards being (S among Fig. 1 near one of them ratio of the value of thrust that bears on the rope band 3 that moves on the rope band 3 of the direction of tested pulley 6 motion or on the direction away from tested pulley 6
n-S
N-1)/S
nPerhaps (S of value
n-S
N-1)/S
N-1Value.
Can draw the ratio that can reflect tested pulley 6 rotation dirigibility quality through aforementioned calculation, ratio is more little representes that then tested pulley 6 rotation dirigibilities are good more.
Being preferably in the present embodiment and calculating above-mentioned difference is S among Fig. 1
n-S
N-1Value and the rope band 3 that moves on the direction away from tested pulley 6 on ratio between the value of thrust that bears be (S among Fig. 1
n-S
N-1)/S
nValue.
Because the value of thrust that bears on the rope band 3 that moves on the direction away from tested pulley 6 can not only comprise the summation of the resistance that resistance that 6 pairs of rope bands 3 of tested pulley apply and 2 pairs of rope bands 3 of power wheel apply; But also comprised the deadlock property resistance of rope band 3; So more can accurately, comprehensively reflect when the tested pulley 6 of rope band 3 drives rotates the rotation dirigibility of tested pulley 6.
Should be noted that at last: above embodiment only in order to the explanation the utility model technical scheme but not to its restriction; Although with reference to preferred embodiment the utility model has been carried out detailed explanation, the those of ordinary skill in affiliated field is to be understood that: still can make amendment to the embodiment of the utility model perhaps is equal to replacement to the part technical characterictic; And not breaking away from the spirit of the utility model technical scheme, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.
Claims (10)
1. pulley rotating dirigibility pick-up unit is characterized in that: comprise base, power wheel, rope band, pulling force detecting device and actuating unit, wherein:
Said power wheel flexibly connects through first rotating shaft and said base, and it can rotate with respect to said base around said first rotating shaft;
Said rope band is sheathed on tested pulley and the said power wheel;
Said pulling force detecting device is fixedly connected with said rope band, and said pulling force detecting device is configured to detect on the said rope band that moves near the direction of said tested pulley and the value of thrust that bears respectively on the said rope band that moves on the direction of court away from said tested pulley;
One of them links to each other said actuating unit and said power wheel or said tested pulley; It is configured to drive coupled said power wheel or said tested pulley rotating, and said power wheel or said tested pulley and not coupled said tested pulley or the rotation of said power wheel of said rope band drive through rotating.
2. pulley rotating dirigibility pick-up unit according to claim 1 is characterized in that: said tested pulley flexibly connects through second rotating shaft and said base, and it can rotate with respect to said base around said second rotating shaft.
3. pulley rotating dirigibility pick-up unit according to claim 2 is characterized in that: said pulley rotating dirigibility pick-up unit also comprises the rope band strainer, wherein:
Said rope band strainer comprises hydraulic jack, support and is opened in the sliding tray on the base; Said hydraulic jack is fixedly arranged on the said base; And the piston rod of said hydraulic jack connects along its axial direction and said support, and said second rotating shaft and said support flexibly connect and can rotate with respect to said support around its axial line, said support can with the piston rod of said hydraulic jack towards away from or the direction of approaching said power wheel in said sliding tray, slide; Perhaps
Said rope band strainer comprises and connecting with said rope band and stretching pulley that the position can be moved along the perpendicular direction of said rope band that said stretching pulley flexibly connects through the 3rd rotating shaft and said base and it can rotate with respect to said base around said the 3rd rotating shaft.
4. pulley rotating dirigibility pick-up unit according to claim 1; It is characterized in that: said power wheel and said tested pulley all are positioned within the said rope band, and the inboard of said rope band contacts with the outside surface of said power wheel and the outside surface of said tested pulley respectively.
5. according to the arbitrary described pulley rotating dirigibility pick-up unit of claim 1 to 4; It is characterized in that: the pivot center of said power wheel and said tested pulley all parallels with surface level; Said pulling force detecting device comprises the first sensor and second sensor, wherein:
Said first sensor and said second sensor are arranged at the diverse location place on the said rope band respectively;
Said first sensor and said second sensor one of them when moving on the said rope band between said power wheel top and the said tested pulley top with said rope band, wherein another moves on the said rope band of said power wheel bottom between bottom said tested pulley with said rope band for said first sensor and said second sensor;
Said first sensor and said second sensor are configured to detect the value of thrust that value of thrust that the said rope band between said power wheel top and the said tested pulley top bears and the said power wheel bottom said rope band between bottom said tested pulley bears respectively.
6. pulley rotating dirigibility pick-up unit according to claim 5 is characterized in that: said rope band is a wire rope, and said first sensor and said second sensor are the lineoutofservice signal pull sensor.
7. according to the arbitrary described pulley rotating dirigibility pick-up unit of claim 1 to 4, it is characterized in that: said pulley rotating dirigibility pick-up unit also comprises the data handling component that is electrically connected with said pulling force detecting device, wherein:
Said data handling component is configured to receive the value of thrust of said pulling force detector measures, and calculate towards near the difference between the value of thrust that bears respectively on the said rope band that moves on the said rope band of the direction of said tested pulley motion and on the direction away from said tested pulley with towards near one of them ratio of the value of thrust that bears on the said rope band that moves on the said rope band of the direction motion of said tested pulley or on the direction away from said tested pulley.
8. according to the arbitrary described pulley rotating dirigibility pick-up unit of claim 1 to 4; It is characterized in that: said actuating unit comprises motor and gear train; The main shaft of said motor is that the rotation of said power wheel provides power through said gear train, and said gear train is one or more the combination wherein of gear drive, rope band gear train or chain-drive mechanism;
Perhaps, said actuating unit is that the axial line of the rotating shaft of main shaft and said power wheel coincides, and the motor that is fixedly connected with said first rotating shaft of main shaft.
9. pulley rotating dirigibility pick-up unit according to claim 8 is characterized in that: said gear train comprises driving gear and the follower gear that is meshed with said driving gear;
The main shaft of said motor is fixedly connected with said driving gear and coincides with the axial line of said driving gear;
Said first rotating shaft is fixedly connected with said follower gear and coincides with the axial line of follower gear.
10. according to the arbitrary described pulley rotating dirigibility pick-up unit of claim 1 to 4, it is characterized in that: said first rotating shaft is fixedly connected with said power wheel, and perhaps, said first rotating shaft and said power wheel are integral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120474198 CN202453176U (en) | 2011-11-25 | 2011-11-25 | Pulley rotation flexibility detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120474198 CN202453176U (en) | 2011-11-25 | 2011-11-25 | Pulley rotation flexibility detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202453176U true CN202453176U (en) | 2012-09-26 |
Family
ID=46869031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120474198 Withdrawn - After Issue CN202453176U (en) | 2011-11-25 | 2011-11-25 | Pulley rotation flexibility detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202453176U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103091010A (en) * | 2013-02-04 | 2013-05-08 | 西北工业大学 | Dynamometer |
| CN103134668A (en) * | 2011-11-25 | 2013-06-05 | 徐工集团工程机械股份有限公司 | Pulley rotating flexibility detection device and detection method using same |
| CN113639913A (en) * | 2021-08-27 | 2021-11-12 | 中国科学技术大学 | Real-time tension testing device of rope-driven parallel robot |
-
2011
- 2011-11-25 CN CN 201120474198 patent/CN202453176U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103134668A (en) * | 2011-11-25 | 2013-06-05 | 徐工集团工程机械股份有限公司 | Pulley rotating flexibility detection device and detection method using same |
| CN103134668B (en) * | 2011-11-25 | 2015-08-19 | 徐工集团工程机械股份有限公司 | Pulley rotation device for detecting flexibility and utilize it to carry out the method detected |
| CN103091010A (en) * | 2013-02-04 | 2013-05-08 | 西北工业大学 | Dynamometer |
| CN113639913A (en) * | 2021-08-27 | 2021-11-12 | 中国科学技术大学 | Real-time tension testing device of rope-driven parallel robot |
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